byte-units-master轉換位元組單位的PHP函式庫

<?php

namespace ByteUnits;

class ArithmeticTest extends \PHPUnit_Framework_TestCase

{

    public function testAddInSameUnitSystem()

    {

        $this->assertEquals(Metric::bytes(10), Metric::bytes(5)->add(Metric::bytes(5)));

        $this->assertEquals(Binary::bytes(10), Binary::bytes(5)->add(Binary::bytes(5)));

    }

    public function testRemoveInSameUnitSystem()

    {

        $this->assertEquals(Metric::bytes(3), Metric::bytes(5)->remove(Metric::bytes(2)));

        $this->assertEquals(Binary::bytes(3), Binary::bytes(5)->remove(Binary::bytes(2)));

    }

    public function testAutoboxing()

    {

        $this->assertEquals(Metric::bytes(10), Metric::bytes(5)->add(5));

        $this->assertEquals(Metric::bytes(10), Metric::bytes(5)->add('5B'));

        $this->assertEquals(Metric::bytes(3), Metric::bytes(5)->remove(2));

        $this->assertEquals(Metric::bytes(3), Metric::bytes(5)->remove('2B'));

    }